NDLI: Surface EMG analysis and changes in gait following electrical stimulation of quadriceps femoris and tibialis anterior in children with spastic cerebral palsy

Content Provider	IEEE Xplore Digital Library
Author	Arya, B.K. Mohapatra, J. Subramanya, K. Prasad, H. Kumar, R. Mahadevappa, M.
Copyright Year	2012
Description	Author affiliation: Dept. of Electr. & Electron. Eng., St. Joseph Eng. Coll., Mangalore, India (Subramanya, K.) \|\| Sch. of Med. Sci. & Technol., Indian Inst. of Technol., Kharagpur, India (Arya, B.K.; Mahadevappa, M.) \|\| Sch. of Med., Dept. of Cellular & Mol. Med., Johns Hopkins Univ., Baltimore, MD, USA (Prasad, H.) \|\| Nat. Inst. for the Orthopedically Handicapped, Kolkata, India (Mohapatra, J.; Kumar, R.)
Abstract	Purpose: To evaluate the clinical feasibility and effect of neuromuscular electrical stimulation (NMES) therapy of quadriceps femoris (QF) and tibialis anterior (TA) muscles on improving gait and functional outcomes in children with spastic cerebral palsy (CP). Method: Ten children with spastic diplegic/hemiplegic CP who were in the age group of 7 to 14 years recruited from a rehabilitation institute were randomly assigned either to a control group or a NMES group. Both groups obtained conventional physiotherapy and muscle strengthening exercises. The NMES group in addition received surface electrical stimulation to QF and TA muscles for four weeks duration. Results: The NMES group showed significant improvements as compared to the control group in walking speed (mean difference: 7.83 meters per min, 95% confidence interval: 3.13 to 12.53, p<;60;0.01) and cadence (mean difference: 23.33 steps per min, 95% confidence interval: 5.90 to 40.77, p<;60;0.01). The NMES group also showed significant reduction in physiological cost index of walking or PCI (mean difference: -1.32 beats per meter, 95% confidence interval: -1.83 to -0.80, p<;60;0.001) indicating greater energy-efficiency of walking. No significant changes were seen in EMG parameters. Conclusions: The findings of this study suggests that NMES therapy together with conventional physiotherapy more efficiently improves walking ability and functional outcomes as compared to conventional physiotherapy alone in children with spastic CP.
Sponsorship	IEEE Eng. Medicine Biol. Soc.
Starting Page	5726
Ending Page	5729
File Size	572004
Page Count	4
File Format	PDF
ISBN	9781424441198
ISSN	1557170X
e-ISBN	9781457717871
DOI	10.1109/EMBC.2012.6347295
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Muscles Electrical stimulation Electromyography Pediatrics Legged locomotion Market research
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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